Toyota Yaris (III): known faults of the gearbox and transmission according to L'argus

Engine / equipment

Toyota Yaris (III), all engines

Period mentioned

2011–2020

Symptoms

MM-T 6 automated gearbox light on and gears will not engage on the 1.4 D-4D (up to May 2012); Hard gear changes (up to June 2013); Clutch pedal sticks and leaks on the 1.4 D-4D (up to June 2024); Hard to engage 4th, 5th and 6th; Abnormal noise from the 6-speed manual (up to 01/09/2013); Clutch squeak and hard gear changes on the 1.0 with the 5-speed manual (up to December 2016); Hard to engage 1st (6-speed manual)

Possible cause described

According to the brand's technical notes reported by L'argus (each date shows up to when the affected cars were built): 1) MM-T 6 automated gearbox light on and gears will not engage on the 1.4 D-4D (up to May 2012): Actuator. 2) Hard gear changes (up to June 2013): Clutch cover and fork. 3) Clutch pedal sticks and leaks on the 1.4 D-4D (up to June 2024): Clutch master cylinder. 4) Hard to engage 4th, 5th and 6th: Clutch hub and synchroniser. 5) Abnormal noise from the 6-speed manual (up to 01/09/2013): Output shaft and differential housing. 6) Clutch squeak and hard gear changes on the 1.0 with the 5-speed manual (up to December 2016): Release bearing and fork. 7) Hard to engage 1st (6-speed manual): Gear and clutch.

Check for the garage

Compare your symptom and your car's build date with this list. If they match, tell the workshop and ask them to check that part first before replacing others. The brand or a warranty extension covers some repairs: ask the dealer with the car's details.

Cost cited in the source

No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database